Description of 4WD Control System Component Function

4WD CONTROL SYSTEM COMPONENT FUNCTION CHART

Part Name	Function
2WD/i-AWD switch	Output ON and OFF signal of 2WD/i-AWD switch to 4WD control module.
i-AWD indicator light	Indicates vehicle is at i-AWD position.
i-AWD warning light	Lights or blinks when 4WD control system has an abnormality.
4WD control module	Controls the current to the coupling assembly and vehicle switching to each position. Diagnosis 4WD control system components. Output operation signal of indicator to BCM.
Coupling assembly	The driving forces is generated by the signal transmitted from the 4WD control module to the rear wheels.
Coupling air temperature sensor	Measures ambient temperature of the coupling.
Transfer oil temperature sensor	Measures transfer oil temperature.